How to change Product Key for Office 2013 Home and Business

The small company I support bought 5 computers and each comes with a product key for the Microsoft Office 2013 Home and Business. For some reason,  I put a same key for the second Office installation. And I didn’t find out till the activation process gave me the error indicating that the same product key has been activated in some place else.

Here are the steps to update the product key for the Office 2013 Home and Business:

It can be done via the command line.  Open up a Command Prompt (Press the Windows Button and type CMD or navigate to All Programs -> Accessories -> Command Prompt).

Then you just need to use the command below that matches your OS.

For 32 bit Windows:

cscript “C:\Program Files\Microsoft Office\Office15\OSPP.VBS” /inpkey:yourkeygoeshere

For 64 bit Windows (assuming you are using 32 bit Office):

cscript “C:\Program Files (x86)\Microsoft Office\Office15\OSPP.VBS” /inpkey:yourkeygoeshere

Obviously, you need to replace yourkeygoeshere with your new product key.

Note:  If you are installing a 64 bit version of Office on 64 bit Windows, the command for 32 bit Windows should be used (or just delete the (x86) part since it won’t be installing to the C:\Program Files (x86)\ directory).

And please make sure you open the CMD with administrator privilege otherwise you will have a permission error with the above script.

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